\begin{tikzpicture} % 复杂
    \pgfmathsetmacro{\R}{1.2}
    \pgfmathsetmacro{\RR}{sqrt(2)*\R}
    \pgfmathsetmacro{\r}{\RR/2}

    \tkzDefPoints{0/0/O}
    \tkzDefPoint(0:\R){A}
    \tkzDefRegPolygon[center,sides=4,name=P](O,A)
    \tkzDefPoint(45:\RR){B}
    \tkzDefRegPolygon[center,sides=4,name=Q](O,B)
    \tkzDefPoint(45:\r){C}
    \tkzDefRegPolygon[center,sides=4,name=O](O,C)
    % \tkzLabelPoints[centered](P1,P...,P4)
    % \tkzLabelPoints[centered](Q1,Q...,Q4)
    % \tkzLabelPoints[centered](O1,O...,O4)

    \tkzDrawSegments[dashed](P1,P3  P2,P4)
    \tkzDrawPolygon[dashed](Q1,Q...,Q4)

    \foreach \i in {1,...,4} {
        \ifnum\i=4\relax
            \pgfmathsetmacro{\n}{1}
        \else
            \pgfmathsetmacro{\n}{int(\i+1)}
        \fi

        \tkzDrawArc[R with nodes](O\i,\r)(P\i,P\n)
    }
\end{tikzpicture}

